Home / 54,721.31-82,047.33-23,115.11

Finding the Fourth Proportional to 54,721.31, 82,047.33 and 23,115.11

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Solution

The fourth proportional to 54,721.31, 82,047.33 and 23,115.11 is: 34,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.31 : 82,047.33 = 23,115.11 : x
  2. Step 2: Convert to fraction form
    54,721.31/82,047.33 = 23,115.11/x
  3. Step 3: Cross multiply
    54,721.31x = 82,047.33 × 23,115.11
  4. Step 4: Simplify right side
    54,721.31x = 1,896,532,647.92
  5. Step 5: Solve for x
    x = 1,896,532,647.92/54,721.31
  6. Step 6: Final answer
    x = 34,658.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.